-85.18% is the change from 479 to 71
Calculation steps:
[( 71 - 479 ) ÷ 479] x 100 = -85.18%
Formula
Percentage change = [(71 - 479) / 479] x 100
Subtract the new number by the original number
71 - 479 = -408
-408 ÷ 479 = -0.8517745302713987
-0.8517745302713987 x 100 = -85.18%